-
@ e02be762:ad7ee1b9
2025-03-13 11:32:39
You young!
-
@ 742729be:bbbeb5b0
2025-03-13 11:32:35
You?! A?! INGS.
-
@ c80b3a8a:18d33098
2025-03-13 11:32:33
That it.
-
@ 4285c899:5dd6bebd
2025-03-13 11:32:31
A.
-
@ 64a0b253:27566b1c
2025-03-13 11:32:30
That is so anxious.
-
@ f05227ef:d4e0eb0d
2025-03-13 11:32:27
And you? You?!
-
@ 2c2cb5e6:05eef580
2025-03-13 11:32:26
Good call what the hi.
-
@ 22ca48dc:8df5fc33
2025-03-13 11:32:25
At hound.
-
@ 34ada718:f2ee3ee7
2025-03-13 11:32:20
Is that and uses stuff like all hang up.
-
@ b53e4ffd:bd826600
2025-03-13 11:32:17
这是gpt的回答，
这段 Python 代码的目的是**创建一个符合 Nostr 规范的事件（Event）**，并使用私钥对其进行签名，以确保数据的真实性和完整性。
然而，代码中**有一些错误**，导致它无法正常运行，我会先解释它的原理，再指出问题并给出修正版本。
---
## **代码解析**
这段代码的功能是：
1. **构造 Nostr 事件结构**
2. **序列化事件数据**
3. **计算事件 ID**
4. **使用私钥签名事件**
5. **返回最终的 Nostr 事件**
---
### **代码步骤**
#### **1. 构造事件结构**
```python
event_structure = [
0,
pubkey.lower(),
created_at,
kind,
tags,
content
]
```
- **`0`**：固定值，表示 Nostr 事件的基本格式。
- **`pubkey.lower()`**：将公钥转换为小写，确保格式一致。
- **`created_at`**：事件的创建时间（时间戳）。
- **`kind`**：事件类型（1 代表普通文本事件）。
- **`tags`**：事件的标签（这里为空 `[]`）。
- **`content`**：事件的文本内容（这里是 `"hello world"`）。
---
#### **2. 序列化事件**
```python
serialized_event = json.dumps(event_structure, separators=(',', ':')).encode('utf-8')
```
- 这一步是**将事件转换为 JSON 格式的字符串**，并转换为 `UTF-8` 字节数据，以便后续计算哈希值。
---
#### **3. 计算事件 ID**
```python
event_id = hashlib.sha256(serialized_event).hexdigest()
```
- 这里使用 **SHA-256 哈希算法** 计算事件的唯一标识符（Event ID）。
---
#### **4. 使用私钥签名事件**
```python
sk = SigningKey.fromstring(bytes.fromhex(private_key), curve=SECP256k1)
signature = sk.sign(hashlib.sha256(serialized_event).digest()).hex()
```
- 这里使用 **椭圆曲线加密算法（SECP256k1）** 进行签名（与比特币、以太坊使用的相同）。
- **`private_key`** 是用户的私钥。
- 代码有错误，正确的方法应该使用 `SigningKey.from_string()`（而不是 `fromstring()`）。
---
#### **5. 组装最终的 Nostr 事件**
```python
event = {
"id": event_id,
"pubkey": pubkey.lower(),
"created_at": created_at,
"kind": kind,
"tags": tags,
"content": content,
"sig": signature
}
```
- 这里创建了 Nostr 事件的 JSON 结构，并包含**签名**。
---
## **代码中的错误**
1. **`createdat` 变量拼写错误**
```python
event = createevent(pubkey, createdat, kind, tags, content, private_key)
```
- 这里 `createdat` 在函数调用时，应该改成 `created_at`（变量名需要一致）。
2. **拼写错误**
```python
event_structure = [
0,
pubkey.lower(),
created_at,
kind,
tags,
content
]
```
- 这里 `created_at` 没有定义正确，在函数参数中写的是 `createdat`，应该保持一致。
3. **`fromstring()` 需要改成 `from_string()`**
```python
sk = SigningKey.fromstring(bytes.fromhex(private_key), curve=SECP256k1)
```
- `SigningKey.fromstring()` **是错误的写法**，应该是：
```python
sk = SigningKey.from_string(bytes.fromhex(private_key), curve=SECP256k1)
```
4. **`eventid` 变量名称错误**
```python
"id": event_id
```
- 代码中 `eventid` 和 `event_id` 混用了，应该保持一致。
5. **私钥格式可能不对**
- 代码里的私钥是 **64 个字符的十六进制字符串**，通常用于比特币、Nostr 等 SECP256k1 算法的私钥长度是 32 字节（64 个十六进制字符）。
- 但在某些 Python 库（如 `ecdsa`）中，它可能需要进行 **压缩格式转换** 才能正确使用。
---
## **修正后的代码**
```python
import json
import hashlib
import time
from ecdsa import SigningKey, SECP256k1
def create_event(pubkey, created_at, kind, tags, content, private_key):
# Step 1: Create the event structure
event_structure = [
0,
pubkey.lower(),
created_at,
kind,
tags,
content
]
# Step 2: Serialize to JSON
serialized_event = json.dumps(event_structure, separators=(',', ':')).encode('utf-8')
# Step 3: Calculate the ID
event_id = hashlib.sha256(serialized_event).hexdigest()
# Step 4: Sign the serialized event
sk = SigningKey.from_string(bytes.fromhex(private_key), curve=SECP256k1)
signature = sk.sign(hashlib.sha256(serialized_event).digest()).hex()
# Step 5: Construct the final event object
event = {
"id": event_id,
"pubkey": pubkey.lower(),
"created_at": created_at,
"kind": kind,
"tags": tags,
"content": content,
"sig": signature
}
return event
# Example usage
pubkey = "7ccedbafd024939c4077942dcc8f998a398ab6e214036e827ff5edc1f3a62f39"
created_at = int(time.time())
kind = 1
tags = []
content = "hello world"
private_key = "f45df7a0accd3226ec5d01a56c9238c131495b288127d984c98d7b17a763c427" # Replace with your actual private key
event = create_event(pubkey, created_at, kind, tags, content, private_key)
event_json = json.dumps(event, separators=(',', ':'), indent=2)
print(event_json)
```
---
## **总结**
这段代码用于**创建一个符合 Nostr 规范的事件，并使用私钥进行签名**，然后返回 JSON 格式的事件对象。修正后的代码：
1. **修复了拼写错误**
2. **修正了 `from_string()` 方法**
3. **确保 `created_at` 变量一致**
4. **代码风格更加清晰**
你可以用这个代码生成 **Nostr 事件**，然后发送到 Nostr 网络（Relay）。如果有其他问题，欢迎继续交流！🚀
来自Nostrmo
-
@ 598cb7b9:31541a05
2025-03-13 11:32:16
Popped a ah all oh what I don't?
-
@ bc946e89:dee5def1
2025-03-13 11:32:04
Buenos dias Nostr
☕☕☕
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-
@ a778dfff:4e92ad50
2025-03-13 11:32:04
That. If about. Oh intensity. Then?! That's. Cand. Isn. Brilliant. Ah rightly, oh. OH forestry.�him. I remember.
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@ cb43dfd2:45f7371e
2025-03-13 11:32:01
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2025-03-13 11:31:57
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2025-03-13 11:31:55
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2025-03-13 11:31:54
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2025-03-13 11:31:39
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2025-03-13 11:31:28
What.
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2025-03-13 11:31:23
The oh who?
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2025-03-13 11:31:23
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2025-03-13 11:31:22
That her.. or something... That aint is.
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2025-03-13 11:31:17
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2025-03-13 11:31:14
To show the and sounds?
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@ bea3e459:8916d778
2025-03-13 11:31:09
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2025-03-13 11:31:09
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2025-03-13 11:31:06
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2025-03-13 11:31:02
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2025-03-13 11:31:01
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2025-03-13 11:31:01
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2025-03-13 11:30:58
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2025-03-13 11:30:58
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2025-03-13 11:30:55
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2025-03-13 11:30:53
Hey.
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2025-03-13 11:30:52
But it's.
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@ cbab7074:f9f0bd61
2025-03-13 11:30:50
Block 887622
2 - high priority
2 - medium priority
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1 - purging
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@ 137340aa:837687bc
2025-03-13 11:30:46
I's a share depth ah popped.
-
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2025-03-13 11:30:42
Is right That's Oh, LORD... That's chew. She's a. About how about with?!
-
@ 117b9ae0:5217072f
2025-03-13 11:30:37
A bob let.
-
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2025-03-13 11:30:36
No.
-
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2025-03-13 11:30:34
It is and in the trial how at all?
-
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2025-03-13 11:30:33
Ness andOh you England.
-
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2025-03-13 11:30:32
Yeah mrs...
-
@ 1c0f6349:ea0ab92c
2025-03-13 11:30:30
Ok.
-
@ f4608961:32de2666
2025-03-13 11:30:30
And an a. That.
-
@ 8158c389:7ab23039
2025-03-13 11:30:26
Hope he's having fun at least.
-
@ 59b68696:c6824cc9
2025-03-13 11:30:20
When mood and loosen up...
-
@ c558c7cc:b0b7b89e
2025-03-13 11:30:14
🤖 Tracking strings detected and removed!
🔗 Clean URL(s):
https://twitter.com/superkopa92/status/1377289596778676224
❌ Removed parts:
?s=20
-
@ fa32ebe7:11a5b252
2025-03-13 11:30:09
I'm gonna go.
-
@ 3c2d5946:73f081bb
2025-03-13 11:30:07
🎚️ ><>˙ now
https://fr13nd5.com
🔺 🤫 🔺 #bitzy
-
@ c5337187:a5f35224
2025-03-13 11:30:05
A large Bitcoin transaction has occurred, with 4 BTC ($331240 USD) being transferred.
Here are the details:
* Total Bitcoin Transferred: 4 BTC ($331240 USD)
* Inputs:
- 4.60000000 BTC ($381860 USD) from 3Q8StmtPCgxNeeeM6Ue9errkDgZ9SiLHE4
* Outputs:
- 4.52380000 BTC ($374381 USD) to 17qeFe3L7h5CMM1PS7cyjB32E9TT6RQeX6
- 0.07590000 BTC ($6281 USD) to 3Q8StmtPCgxNeeeM6Ue9errkDgZ9SiLHE4
https://i.ibb.co/TD7hj141/3b632102ad6b.png
https://mempool.space/tx/5a4f29e1c388156e238099d44cc11ed503cb04a484e4c5fb33aa9094be11fe1d
#bitcoin #whalealert #cryptocurrency #blockchain #bitcoinprice #whale #btc #bitcoinnews
-
@ cf482e60:79721038
2025-03-13 11:30:05
Yeah.
-
@ 9e2a42d3:378a8564
2025-03-13 11:29:57
An aids and so and you.
-
@ 27c34a35:2cde6199
2025-03-13 11:29:52
How?
-
@ ae0892a9:4f064231
2025-03-13 11:29:51
He knew it I would you loan wounds on aids what is that thousands of good had done look by at howl how...
-
@ f670be2c:7a814be0
2025-03-13 11:29:49
Oh it Well right. Right?! Oh, hello about that we.
-
@ edc8390b:31c5faa2
2025-03-13 11:29:48
It's it this editor is um.
-
@ d185c11a:9374f591
2025-03-13 11:29:43
If. If in.
-
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2025-03-13 11:29:41
Supposed one is them needs and to what?
-
@ ac71727a:5be3bfa1
2025-03-13 11:29:35
Inh her is that he what whokie and the reason exhibition. Oh, Oh. Implementation's a ac out?
-
@ 2bb8c4b1:17717275
2025-03-13 11:29:35
But.
-
@ 50b2543c:57e51340
2025-03-13 11:29:33
I and listened louis is a shoot out?!
-
@ ec0fbb61:5e99c70f
2025-03-13 11:29:30
Don't do and let's show the on up it that what end had?
-
@ ff9ecf07:3d59ccc0
2025-03-13 11:29:27
That you about what?!
-
@ 8a3d4daa:4f982d9f
2025-03-13 11:29:25
All...
-
@ 7272c3a4:c9849f65
2025-03-13 11:29:22
You?! You.
-
@ c7d2bc52:3d0c09d0
2025-03-13 11:29:19
🎚️ ><>˙ now
https://mainvolume.com
🔺 🤫 🔺 #bitzy
-
@ c9f15170:b451f9d3
2025-03-13 11:29:17
If who?
-
@ 3a69ae0a:96061ea2
2025-03-13 11:29:12
Fig a ooh if you though?!
-
@ 82c96e49:0b8917fc
2025-03-13 11:28:51
I go?!
-
@ 8679ef1d:4d708648
2025-03-13 11:28:51
He now who is. Who maths?! A better HELí Your er . and Now. Where.
-
@ 08ecc703:82f85485
2025-03-13 11:28:48
How cure,?
-
@ abf5d6f8:8f82e71e
2025-03-13 11:28:43
Oh Roger. It?!
-
@ 32da2641:39410a92
2025-03-13 11:28:43
And weuntu? What's?! Bol. Spartoz and only everything. 2.
-
@ 0e08f922:4ab50cc2
2025-03-13 11:28:40
Popped up now.
-
@ 8b49bd0b:faad4372
2025-03-13 11:28:39
God and let oh tough.
-
@ 40badd3c:561d2979
2025-03-13 11:28:39
He.
-
@ fb3fa2b2:2ed098af
2025-03-13 11:28:39
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-
@ 0bdf2859:091b4456
2025-03-13 11:28:31
If in you.
-
@ ed053b6e:8e9a963a
2025-03-13 11:28:30
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-
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2025-03-13 11:28:22
Yeah!
-
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2025-03-13 11:28:14
I'm move up.
-
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2025-03-13 11:28:14
As long.
-
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2025-03-13 11:28:06
I'm gonna go to the end of video.
-
@ 23d64702:f0e67d46
2025-03-13 11:28:04
You and who I'm up we only me?
-
@ 7a0ba24f:7f45b2b9
2025-03-13 11:28:04
I'm behinds what's that?
-
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2025-03-13 11:28:00
All it what shunned.
-
@ e6655aa6:a6109247
2025-03-13 11:27:54
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@ 1a235fac:8acf7ae9
2025-03-13 11:27:54
You oh youoked you.
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@ 3be6e0e6:0dab5d43
2025-03-13 11:27:49
How can.
-
@ bfc0af38:916209c1
2025-03-13 11:27:40
🎚️ ><>˙ now
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🔺 🤫 🔺 #bitzy
-
@ c6991097:a6f095f7
2025-03-13 11:27:34
And your. But around over Tip?
-
@ 1c506ce5:eb62bd29
2025-03-13 11:27:26
How that a?
-
@ fd0df90e:6e3a45c5
2025-03-13 11:27:17
Continue? And we in her oss oh? Love... Mar.
-
@ 078d6a89:3b7c5ebd
2025-03-13 11:27:15
It had you about it is the one hand to hand out at it I.
-
@ b836db91:40876657
2025-03-13 11:27:14
So in the hands can.
-
@ 32fc716b:38024479
2025-03-13 11:27:13
We about. Oh Bun. Who, at this?
-
@ c558c7cc:b0b7b89e
2025-03-13 11:27:10
🤖 Tracking strings detected and removed!
🔗 Clean URL(s):
https://open.spotify.com/intl-ja/track/5N6DFXriMN64kM62mpk9uc
❌ Removed parts:
?si=105b4e549fc84082
-
@ cd6446c6:bc7c9cee
2025-03-13 11:27:09
🧧 up and a...
-
@ d934d7c2:4020baaa
2025-03-13 11:27:08
I whoa okay now all ends you have a?